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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.kafka.streams.state;

import java.nio.ByteBuffer;

import static org.apache.kafka.clients.consumer.ConsumerRecord.NO_TIMESTAMP;

public interface TimestampedBytesStore {
    static byte[] convertToTimestampedFormat(final byte[] plainValue) {
        if (plainValue == null) {
            return null;
        }
        return ByteBuffer
            .allocate(8 + plainValue.length)
            .putLong(NO_TIMESTAMP)
            .put(plainValue)
            .array();
    }
}